﻿using BLL;
using Model;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsForms
{
    
    public partial class FrmLogin : Form
    {
        
        public FrmLogin()
        {
            InitializeComponent();
            #region   初始化控件缩放

            x = Width;
            y = Height;
            setTag(this);

            #endregion
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }
        int n = 3;
        public static string urole;
        public static string uname;
        public static string role;
        public static string username;
        public static int clubid;
        private void button1_Click(object sender, EventArgs e)
        {
            UserManage userbll = new UserManage();
            string username = txtUserName.Text;
            string password = txtPassWord.Text;
            string role = cmbRole.Text;
            if (username == "" || password == "")
            {
                lblMessage.Text = "请输入用户名或密码！";
                return;
            }
            int result = userbll.CheckUser(username, password, role);
            if (result == 1)
            {
                User user = userbll.GetUserByName(username);
                urole = user.Role;
                uname = user.Username;
                clubid = user.Clubid;
                FrmMain frmMain = new FrmMain();
                frmMain.Show();
                this.Hide();
            }
            else if (result == 2)
            {
                lblMessage.Text = "密码错误";

            }
            else
            {
                lblMessage.Text = "用户名不存在";
            }
            //else if (username == "tony" && password == "123456" &&role =="用户"
            //    || username == "user" && password == "123456" && role == "管理员")
            //{
            //    //lblMessage.Text = "登陆成功！";
            //    urole = cmbRole.Text.Trim();
            //    uname = username;
            //    FrmMain frmmain = new FrmMain();
            //    frmmain.Show();
            //    this.Hide();
            //}
            //else
            //{
            //    n--;
            //    lblMessage.Text = "用户名或密码错误，您还有 " + n + " 次机会";
            //    txtPassWord.Text = "";
            //    txtPassWord.Focus();
            //    if (n == 0) {
            //        lblMessage.Text = "用户名或密码错误，无法登录";
            //        txtPassWord.Enabled = false;
            //        txtUserName.Enabled = false;
            //    }
            //}
        }

        private void button2_Click(object sender, EventArgs e)
        {
            txtUserName.Text = "";
            txtPassWord.Text = "";
            lblMessage.Text = "";
            txtUserName.Focus();
        }

        private void txtPassWord_TextChanged(object sender, EventArgs e)
        {

        }

        private void FrmLogin_Load(object sender, EventArgs e)
        {
           
        }

        private void txtPassWord_KeyPress(object sender, KeyPressEventArgs e)
        {
            //if (e.KeyChar != 8 && !char.IsDigit(e.KeyChar) && e.KeyChar != 22 && e.KeyChar != 3)
            //{
            //    MessageBox.Show("请输入数字", "系统提示",MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    e.Handled = true;
            //}
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.txtPassWord.PasswordChar = '\0';
        }

        private void cmbRole_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void btnReg_Click(object sender, EventArgs e)
        {
            FrmRegistration FrmRegistration = new FrmRegistration();
            FrmRegistration.Show();
            this.Hide();
        }

        private void FrmLogin_Resize(object sender, EventArgs e)
        {
            //重置窗口布局
            ReWinformLayout();
        }
        #region 控件大小随窗体大小等比例缩放

        private readonly float x; //定义当前窗体的宽度
        private readonly float y; //定义当前窗体的高度

        private void setTag(Control cons)
        {
            foreach (Control con in cons.Controls)
            {
                con.Tag = con.Width + ";" + con.Height + ";" + con.Left + ";" + con.Top + ";" + con.Font.Size;
                if (con.Controls.Count > 0) setTag(con);
            }
        }

        private void setControls(float newx, float newy, Control cons)
        {
            //遍历窗体中的控件，重新设置控件的值
            foreach (Control con in cons.Controls)
                //获取控件的Tag属性值，并分割后存储字符串数组
                if (con.Tag != null)
                {
                    var mytag = con.Tag.ToString().Split(';');
                    //根据窗体缩放的比例确定控件的值
                    con.Width = Convert.ToInt32(Convert.ToSingle(mytag[0]) * newx); //宽度
                    con.Height = Convert.ToInt32(Convert.ToSingle(mytag[1]) * newy); //高度
                    con.Left = Convert.ToInt32(Convert.ToSingle(mytag[2]) * newx); //左边距
                    con.Top = Convert.ToInt32(Convert.ToSingle(mytag[3]) * newy); //顶边距
                    var currentSize = Convert.ToSingle(mytag[4]) * newy; //字体大小                   
                    if (currentSize > 0) con.Font = new Font(con.Font.Name, currentSize, con.Font.Style, con.Font.Unit);
                    con.Focus();
                    if (con.Controls.Count > 0) setControls(newx, newy, con);
                }
        }


        /// <summary>
        /// 重置窗体布局
        /// </summary>
        private void ReWinformLayout()
        {
            var newx = Width / x;
            var newy = Height / y;
            setControls(newx, newy, this);

        }

        #endregion
    }
}
